The First Cloned Cat, Called Carbon Copy, Was a Calico

Multiple Choice

The first cloned cat, called Carbon Copy, was a calico, but she looked significantly different from her female parent. Why?

A) The environment, as well as genetics, affects phenotypic variation.
B) Fur-colour genes in cats are influenced by differential acetylation patterns.
C) Cloned animals have been found to have a higher frequency of transposon activation.
D) X inactivation in the embryo is random and produces different patterns.
E) The telomeres of the parent's chromosomes were shorter than those of an embryo.